Aldin Dugonjic graduated on the Health Polytechnic Zagreb, Department of Sanitary Engineering on the topic: "Halal standards and links with other standards." From 2011 to 2013 he did his master thesis on „ Implemantation of Halal Standard HRN BAS 1049:2010 in Herds' Slaughterhouses“ . From the beginning Mr Dugonjic was involved in the process of establishing of a systematic way of halal certification in the Republic of Croatia. Since 2007. he became certified auditor for halal quality, and in 2009. the consultant for halal quality. Since 2009. he is employed at the Center for Halal Quality Certification on the job CEO, trainer and the auditor of the Center. Mr Dugonjic is author of more than twelve papers in the area of halal and halal certification, which he had presented at national and international conferences. He is a member of the Croatian Standards Institute, Technical Committee Agricultural and food products; management system for food safety and Member of the CEN/BT Working Group 212 Halal Food. Also Mr Dugonjic is Lead Auditor for ISO 9001:2008.